javascript - W3 Total Cache Navigation Hover Disappeared -


i minified , tried optimize js , css code on site, took away navigation drop down when hovering. reverted of changes cannot life of me reappear. whats more odd showing in firefox not ie or chrome. ``

.left_nav {     border:1px solid #a6e3fc;     padding:2%;     background-color:#f4fcff;  } .left_nav ul {     list-style:none;     padding:0px;     margin:0px; } .left_nav ul li {     padding:3% 0;     margin:0px } .left_nav ul li {     font-family:"latoregular";     font-size:1em;     text-decoration:none;     color:#45cbfe;  } .left_nav ul li a:hover {     text-decoration:underline;     color:#01b8fd; } .mid_area {     border:1px solid #a6e3fc;     padding:2%; }        } .sub_nav1 {     margin:0px 0px;     height:30px;     border:1px solid #a6e3fc;     background-color:#f4fcff; }  .sub_nav1 ul {     padding:4px 20px;     margin:0px; }  .sub_nav1 li {     list-style:none;     float:left;     padding: 0px 10px;     border-right:1px solid #01b8fd;     line-height:18px; }  .sub_nav1 li:last-child {     border-right:0px; }  .sub_nav1 li a, .sub_nav li a:visited {     font-family:"latoregular";     font-size:14px;     color:#01b8fd;       text-decoration:none; } .text_content1 {     color:#0a6c91;     padding:0px 0px 10px 0px;     float:left; } .mid_area h2 {     font-family:"latoregular";     font-size:25px;     color:#01b8fd;     padding:10px 0px 0px 0px;     margin:0px; } .footer_nav.col-centered.col-md-12.col-sm-8 {   margin: 23px 0; }  .page-list {   list-style: outside none none; } .page-list li {   float: left;   width: 25%; } 

here html

<div class="navigation_menu "  data-spy="affix" data-offset-top="95" id="enigma_nav_top">         <span id="header_shadow"></span>         <div class="container navbar-container" >             <nav class="navbar navbar-default " role="navigation">                 <div class="navbar-header">                     <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#menu">                        <span class="sr-only">toggle navigation</span>                       <span class="icon-bar"></span>                       <span class="icon-bar"></span>                       <span class="icon-bar"></span>                     </button>                 </div>                                 <div id="menu" class="collapse navbar-collapse"><ul id="menu-top-navigation" class="nav navbar-nav"><li id="menu-item-4" class="menu-item menu-item-type-custom menu-item-object-custom current-menu-item current_page_item menu-item-home menu-item-4 active"><a title="home" href="http://www.plannedtraveller.com/">home</a></li> <li id="menu-item-4273" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-4273 dropdown"><a title="destination travel guides" href="#" data-toggle="dropdown" class="dropdown-toggle" aria-haspopup="true">destination travel guides</a><i id="parent_menu" class="fa fa-chevron-down" data-toggle="dropdown"></i> <ul role="menu" class=" dropdown-menu multilevel">     <li id="menu-item-3774" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-3774 dropdown-submenu"><a title="africa" href="http://www.plannedtraveller.com/destination-travel-guides/africa/">africa</a>     <ul role="menu" class=" dropdown-menu multilevel">         <li id="menu-item-3772" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3772"><a title="cape town travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/africa/cape-town/">cape town travel guide</a></li>     </ul> </li>     <li id="menu-item-3448" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-3448 dropdown-submenu"><a title="asia" href="http://www.plannedtraveller.com/destination-travel-guides/asia/">asia</a>     <ul role="menu" class=" dropdown-menu multilevel">         <li id="menu-item-4151" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-4151"><a title="beijing travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/asia/beijing/">beijing travel guide</a></li>         <li id="menu-item-3449" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3449"><a title="hong kong travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/asia/hong-kong/">hong kong travel guide</a></li>         <li id="menu-item-3524" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3524"><a title="tokyo travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/asia/tokyo/">tokyo travel guide</a></li>         <li id="menu-item-4150" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-4150"><a title="seoul travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/asia/seoul/">seoul travel guide</a></li>         <li id="menu-item-3450" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3450"><a title="singapore travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/asia/singapore/">singapore travel guide</a></li>     </ul> </li>     <li id="menu-item-1854" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-has-children menu-item-1854 dropdown-submenu"><a title="europe" href="http://www.plannedtraveller.com/europe/">europe</a>     <ul role="menu" class=" dropdown-menu multilevel">         <li id="menu-item-2141" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-2141 dropdown-submenu"><a title="austria" href="http://www.plannedtraveller.com/destination-travel-guides/austria/">austria</a>         <ul role="menu" class=" dropdown-menu multilevel">             <li id="menu-item-2221" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2221"><a title="innsbruck travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/austria/innsbruck/">innsbruck travel guide</a></li>             <li id="menu-item-2222" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2222"><a title="salzburg travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/austria/salzburg/">salzburg travel guide</a></li>             <li id="menu-item-2270" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2270"><a title="vienna travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/austria/vienna/">vienna travel guide</a></li>         </ul> </li>         <li id="menu-item-2740" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-2740 dropdown-submenu"><a title="denmark" href="http://www.plannedtraveller.com/destination-travel-guides/denmark/">denmark</a>         <ul role="menu" class=" dropdown-menu multilevel">             <li id="menu-item-3215" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3215"><a title="copenhagen travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/denmark/copenhagen/">copenhagen travel guide</a></li>         </ul> </li>         <li id="menu-item-2308" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-2308 dropdown-submenu"><a title="germany" href="http://www.plannedtraveller.com/destination-travel-guides/germany/">germany</a>         <ul role="menu" class=" dropdown-menu multilevel">             <li id="menu-item-3585" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3585"><a title="berlin travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/germany/berlin/">berlin travel guide</a></li>             <li id="menu-item-3523" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3523"><a title="frankfurt travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/germany/frankfurt/">frankfurt travel guide</a></li>             <li id="menu-item-2307" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2307"><a title="munich travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/germany/munich/">munich travel guide</a></li>         </ul> </li>         <li id="menu-item-3586" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-3586 dropdown-submenu"><a title="greece" href="http://www.plannedtraveller.com/destination-travel-guides/greece/">greece</a>         <ul role="menu" class=" dropdown-menu multilevel">             <li id="menu-item-3584" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3584"><a title="athens travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/greece/athens/">athens travel guide</a></li>             <li id="menu-item-3925" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3925"><a title="mykonos travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/greece/mykonos/">mykonos travel guide</a></li>             <li id="menu-item-3945" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3945"><a title="santorini travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/greece/santorini/">santorini travel guide</a></li>         </ul> </li>         <li id="menu-item-2403" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-2403 dropdown-submenu"><a title="italy" href="http://www.plannedtraveller.com/destination-travel-guides/italy/">italy</a>         <ul role="menu" class=" dropdown-menu multilevel">             <li id="menu-item-2402" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2402"><a title="milan travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/italy/milan/">milan travel guide</a></li>             <li id="menu-item-2567" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2567"><a title="rome travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/italy/rome-overview/">rome travel guide</a></li>             <li id="menu-item-2651" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2651"><a title="venice travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/italy/venice-overview/">venice travel guide</a></li>             <li id="menu-item-2696" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2696"><a title="florence travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/italy/florence-overview/">florence travel guide</a></li>         </ul> </li>         <li id="menu-item-2739" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-2739 dropdown-submenu"><a title="spain" href="http://www.plannedtraveller.com/destination-travel-guides/spain/">spain</a>         <ul role="menu" class=" dropdown-menu multilevel">             <li id="menu-item-3288" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3288"><a title="barcelona travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/spain/barcelona/">barcelona travel guide</a></li>             <li id="menu-item-3255" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3255"><a title="ibiza travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/spain/ibiza/">ibiza travel guide</a></li>             <li id="menu-item-3619" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3619"><a title="madrid travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/spain/madrid/">madrid travel guide</a></li>         </ul> </li>         <li id="menu-item-2741" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-2741 dropdown-submenu"><a title="switzerland" href="http://www.plannedtraveller.com/destination-travel-guides/switzerland/">switzerland</a>         <ul role="menu" class=" dropdown-menu multilevel">             <li id="menu-item-3216" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3216"><a title="bern travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/switzerland/bern/">bern travel guide</a></li>             <li id="menu-item-2951" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2951"><a title="geneva travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/switzerland/geneva/">geneva travel guide</a></li>             <li id="menu-item-3078" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3078"><a title="interlaken travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/switzerland/interlaken/">interlaken travel guide</a></li>             <li id="menu-item-3108" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3108"><a title="zurich travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/switzerland/zurich/">zurich travel guide</a></li>         </ul> </li>         <li id="menu-item-4013" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-4013 dropdown-submenu"><a title="turkey" href="http://www.plannedtraveller.com/destination-travel-guides/turkey/">turkey</a>         <ul role="menu" class=" dropdown-menu multilevel">             <li id="menu-item-4038" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-4038"><a title="cappadocia travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/turkey/cappadocia/">cappadocia travel guide</a></li>             <li id="menu-item-4012" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-4012"><a title="istanbul travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/turkey/istanbul/">istanbul travel guide</a></li>         </ul> </li>         <li id="menu-item-4496" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-4496 dropdown-submenu"><a title="united kingdom" href="http://www.plannedtraveller.com/destination-travel-guides/united-kingdom/">united kingdom</a>         <ul role="menu" class=" dropdown-menu multilevel">             <li id="menu-item-4488" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-4488"><a title="london travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/united-kingdom/london-overview/">london travel guide</a></li>         </ul> </li>     </ul> </li>     <li id="menu-item-2007" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-2007 dropdown-submenu"><a title="oceania - australia - pacific" href="http://www.plannedtraveller.com/destination-travel-guides/australia-and-the-pacific/">oceania &#8211; australia &#8211; pacific</a>     <ul role="menu" class=" dropdown-menu multilevel">         <li id="menu-item-2745" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-2745 dropdown-submenu"><a title="australia" href="http://www.plannedtraveller.com/destination-travel-guides/australia-and-the-pacific/australia/">australia</a>         <ul role="menu" class=" dropdown-menu multilevel">             <li id="menu-item-2829" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2829"><a title="sydney travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/australia-and-the-pacific/australia/sydney-overview/">sydney travel guide</a></li>             <li id="menu-item-2862" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2862"><a title="melbourne travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/australia-and-the-pacific/australia/melbourne-overview/">melbourne travel guide</a></li>         </ul> </li>         <li id="menu-item-2749" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-2749 dropdown-submenu"><a title="new zealand" href="http://www.plannedtraveller.com/destination-travel-guides/australia-and-the-pacific/new-zealand/">new zealand</a>         <ul role="menu" class=" dropdown-menu multilevel">             <li id="menu-item-2958" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2958"><a title="auckland travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/australia-and-the-pacific/new-zealand/auckland-overview/">auckland travel guide</a></li>             <li id="menu-item-2957" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2957"><a title="wellington travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/australia-and-the-pacific/new-zealand/wellington/">wellington travel guide</a></li>         </ul> </li>     </ul> </li>     <li id="menu-item-3773" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-3773 dropdown-submenu"><a title="united states of america" href="http://www.plannedtraveller.com/destination-travel-guides/united-states-america/">united states of america</a>     <ul role="menu" class=" dropdown-menu multilevel">         <li id="menu-item-3708" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3708"><a title="las vegas travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/united-states-america/las-vegas-travel-guide/">las vegas travel guide</a></li>         <li id="menu-item-4220" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-4220"><a title="los angeles travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/united-states-america/los-angeles/">los angeles travel guide</a></li>         <li id="menu-item-3668" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3668"><a title="new york travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/new-york/">new york travel guide</a></li>         <li id="menu-item-4219" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-4219"><a title="san francisco travel guide" href="http://www.plannedtraveller.com/destination-travel-guides/united-states-america/san-francisco/">san francisco travel guide</a></li>     </ul> </li> </ul> </li> <li id="menu-item-1931" class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-has-children menu-item-1931 dropdown"><a title="cruises" href="#" data-toggle="dropdown" class="dropdown-toggle" aria-haspopup="true">cruises</a><i id="parent_menu" class="fa fa-chevron-down" data-toggle="dropdown"></i> <ul role="menu" class=" dropdown-menu multilevel">     <li id="menu-item-2718" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-2718 dropdown-submenu"><a title="cruise lines" href="http://www.plannedtraveller.com/cruise-lines/">cruise lines</a>     <ul role="menu" class=" dropdown-menu multilevel">         <li id="menu-item-4071" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-4071"><a title="carnival cruises" href="http://www.plannedtraveller.com/cruise-lines/carnival-cruises/">carnival cruises</a></li>         <li id="menu-item-3879" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3879"><a title="celebrity cruises" href="http://www.plannedtraveller.com/cruise-lines/celebrity-cruises/">celebrity cruises</a></li>         <li id="menu-item-3892" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3892"><a title="costa cruises" href="http://www.plannedtraveller.com/cruise-lines/costa-cruises/">costa cruises</a></li>         <li id="menu-item-3971" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3971"><a title="msc cruises" href="http://www.plannedtraveller.com/cruise-lines/msc-cruises/">msc cruises</a></li>         <li id="menu-item-2004" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2004"><a title="norwegian cruise line" href="http://www.plannedtraveller.com/cruise-lines/norwegian-cruise-line/">norwegian cruise line</a></li>         <li id="menu-item-3813" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-3813"><a title="princess cruises" href="http://www.plannedtraveller.com/cruise-lines/princess-cruises/">princess cruises</a></li>     </ul> </li> </ul> </li> <li id="menu-item-1930" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-1930"><a title="travel tips , tricks" href="http://www.plannedtraveller.com/travel-tips-and-tricks/">travel tips , tricks</a></li> <li id="menu-item-1929" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-1929 dropdown"><a title="trip planning tools" href="#" data-toggle="dropdown" class="dropdown-toggle" aria-haspopup="true">trip planning tools</a><i id="parent_menu" class="fa fa-chevron-down" data-toggle="dropdown"></i> <ul role="menu" class=" dropdown-menu multilevel">     <li id="menu-item-1967" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-1967"><a title="packing calculator" href="http://www.plannedtraveller.com/packing-calculator/">packing calculator</a></li>     <li id="menu-item-1968" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-1968"><a title="budget calculator" href="http://www.plannedtraveller.com/budget-calculator/">budget calculator</a></li> </ul> </li> </ul></div>         </nav> 

.left_nav ul li {     padding:3% 0;     margin:0px } 

its missing ;

.left_nav ul li {     padding:3% 0;     margin:0px; } 

also

.mid_area {     border:1px solid #a6e3fc;     padding:2%; }        } 

it has }

last edit full code

.left_nav{     border:1px solid #a6e3fc;     padding:2%;     background-color:#f4fcff; } .left_nav ul{     list-style:none;     padding:0px;     margin:0px; } .left_nav ul li{     padding:3% 0;     margin:0px; } .left_nav ul li a{     font-family:"latoregular";     font-size:1em;     text-decoration:none;     color:#45cbfe; } .left_nav ul li a:hover{     text-decoration:underline;     color:#01b8fd; } .mid_area{     border:1px solid #a6e3fc;     padding:2%; } .sub_nav1{     margin:0px 0px;     height:30px;     border:1px solid #a6e3fc;     background-color:#f4fcff; }  .sub_nav1 ul{     padding:4px 20px;     margin:0px; }  .sub_nav1 li{     list-style:none;     float:left;     padding: 0px 10px;     border-right:1px solid #01b8fd;     line-height:18px; }  .sub_nav1 li:last-child {     border-right:0px; }  .sub_nav1 li a, .sub_nav li a:visited {     font-family:"latoregular";     font-size:14px;     color:#01b8fd;       text-decoration:none; } .text_content1{     color:#0a6c91;     padding:0px 0px 10px 0px;     float:left; } .mid_area h2{     font-family:"latoregular";     font-size:25px;     color:#01b8fd;     padding:10px 0px 0px 0px;     margin:0px; } .footer_nav.col-centered.col-md-12.col-sm-8{   margin: 23px 0; }  .page-list {   list-style: outside none none; } .page-list li {   float: left;   width: 25%; } 

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